NLR190 is a spherical harmonic model to degree and order 24 based on approximately 5 million Eros radii collected by the NLR through day 190, year 2000. Because of its deviation from sphericity, on Eros one degree varies from about 54 to 307 m.
|Shape**||Mean radius, C_0,0 (m)||Mean equatorial radius (m)||North polar radius (m)||South polar radius (m)||Maximum equatorial radius (m)||Minimum equatorial radius (m)||Volume (km^3)|
|Normalized spherical harmonic coefficients||C_1,0||C_1,1||S_1,1||C_2,0||C_2,1||S_2,1||C_2,2||S_2,2|
|Offset of center of figure from center of mass***||Dx||Dy||Dz|
|Direction of rotation axis**||Right ascension (deg)||Declination (deg)|
|Normalized spherical harmonic coefficients||C_2,0||C_2,1||S_2,1||C_2,2||S_2,2||C_3,0||C_3,1||S_3,1||C_3,2||S_3,2||C_3,3||S_3,3|
**From joint inversion of Doppler tracking and altimetry.
***From numerical integration of shape model NLR190.
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